Mahardika, Yudi, Ag. Isjudarto, and Novandri Kusuma Wardana. “Kajian Teknis Produktivitas Alat Gali Muat Dan Alat Angkut Di PT Jaga Aman Sarana Jobsite PT Koninis Fajar Mineral Kabupaten Banggai”. ReTII 18, no. 1 (November 11, 2023): 155-159. Accessed July 3, 2024. //journal.itny.ac.id/index.php/ReTII/article/view/4116.